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Old 6th Sep 2019, 2:11 am   #6
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,801
Default Re: Cleaning AR88 Gearbox

The AR88 gearbox has anti-backlash gears using pairs of wheels sprung apart.

Grease gets trapped between the plate gears which have to slide face against face. Sticky grease and weak springs = backlash.

I'd strip the box and clean the parts individually. No dissimilar metals in contact this way. You may want to replace tired springs.

David
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